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Finding the Fourth Proportional to 611.60, 843.51 and 362.83

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Solution

The fourth proportional to 611.60, 843.51 and 362.83 is: 500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.60 : 843.51 = 362.83 : x
  2. Step 2: Convert to fraction form
    611.60/843.51 = 362.83/x
  3. Step 3: Cross multiply
    611.60x = 843.51 × 362.83
  4. Step 4: Simplify right side
    611.60x = 306,051.57
  5. Step 5: Solve for x
    x = 306,051.57/611.60
  6. Step 6: Final answer
    x = 500.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.